Privacy Policy

Last Updated: January 1, 2026

1. Introduction

MARBLE Network ("we," "our," or "us") is committed to protecting your privacy. This Privacy Policy explains how we collect, use, and safeguard information when you use our decentralized protocol, applications, and services.

2. Information We Collect

2.1 Information You Provide

Wallet Addresses: Public blockchain addresses used to interact with the protocol
Contact Information: Email address if you subscribe to updates or contact support
Feedback: Any information you provide when contacting us

2.2 Automatically Collected Information

Usage Data: Pages visited, features used, time spent on applications
Device Information: Browser type, operating system, device identifiers
Network Information: IP address, approximate location (country/region)

2.3 Blockchain Data

All transactions on the MARBLE blockchain are public and permanently recorded. This includes:

Transaction hashes and timestamps
Sender and recipient addresses
Transaction amounts and data
Smart contract interactions

Note: We do not control this data and cannot delete it from the blockchain.

3. How We Use Information

Purpose	Legal Basis
Provide and maintain Services	Contract performance
Improve user experience	Legitimate interest
Send service updates	Consent
Prevent fraud and abuse	Legitimate interest
Comply with legal obligations	Legal requirement

4. Data Storage

4.1 Local Storage

Our wallet applications store data locally on your device:

Encrypted wallet data
User preferences
Transaction history cache

This data remains on your device and is not transmitted to our servers unless explicitly stated.

4.2 Server-Side Storage

We store minimal data on our servers:

Analytics data (anonymized)
RPC request logs (7-day retention)
Support ticket information

5. Data Sharing

We do not sell your personal information. We may share data with:

Service Providers: Infrastructure, analytics, and support services
Legal Authorities: When required by law or to protect our rights
Business Transfers: In connection with mergers or acquisitions

6. Your Rights

Depending on your location, you may have the right to:

Access your personal data
Correct inaccurate data
Delete your data (where technically possible)
Object to data processing
Data portability
Withdraw consent

To exercise these rights, contact us at privacy@marble.network.

7. Data Security

We implement appropriate security measures including:

Encryption in transit (TLS 1.3) and at rest
Access controls and authentication
Regular security audits
Incident response procedures

8. Cookies and Tracking

Our applications may use:

Essential Cookies: Required for basic functionality
Analytics: To understand usage patterns (can be disabled)

You can manage cookie preferences in your browser settings.

9. International Transfers

We process data in Switzerland and may transfer data to other countries. We ensure appropriate safeguards are in place for international transfers.

10. Children's Privacy

Our Services are not intended for individuals under 18 years of age. We do not knowingly collect personal information from children.

11. Changes to This Policy

We may update this Privacy Policy periodically. We will notify you of significant changes through our applications or website.

12. Contact Us

For privacy-related inquiries:

Data Protection Officer
Email: privacy@marble.network
Address: MARBLE Foundation, Crypto Valley, Zug, Switzerland

13. Regulatory Information

For EU/EEA Residents: You may lodge a complaint with your local data protection authority.

For California Residents: You have additional rights under the CCPA. Contact us for a detailed disclosure.